TWO NEW METHODS FOR DESIGNING 192-BIT BLOCK CIPHERS BASED ON SWITCHING STRUCTURE AND RECURSIVE DIFFUSION LAYERS

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MIRGHADRI A.; YOSEFIPOUR M.; KHADEM B.; SAJADIEH M.

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Journal: Advanced Defense Science and Technology Year:2016 | Volume:7 | Issue:3 Page(s): 251-259

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Title

TWO NEW METHODS FOR DESIGNING 192-BIT BLOCK CIPHERS BASED ON SWITCHING STRUCTURE AND RECURSIVE DIFFUSION LAYERS

Author(s)

MIRGHADRI A. | YOSEFIPOUR M. | KHADEM B. | SAJADIEH M. | Issue Writer Certificate

Keywords

SWITCHING STRUCTUREQ2

RECURSIVE DIFFUSION LAYERSQ1

LINEAR PROGRAMMINGQ2

DIFFERENTIAL CRYPTOANALYSISQ2

LINEAR CRYPTOANALYSISQ2

Abstract

In recent years, compared with stream ciphers more attention has been to block ciphers because of their proved security and wide application. Design of most block ciphers are based on substitution-permutation network (SPN) or Fiestel structure. Although Fiestel structures compared with SPN has many benefits, but since they have less active S-boxes in round function, it has a security weakness. In this paper, we introduce two new methods for designing 192-bit block cipher algorithms that use SWITCHING STRUCTURE and RECURSIVE DIFFUSION LAYERS to increase active S-boxes. The first method is based on SWITCHING STRUCTURE and 3×3 multiple RECURSIVE DIFFUSION LAYERS and the second method used SWITCHING STRUCTURE and 2×2 multiple RECURSIVE DIFFUSION LAYERS. Security of tow structures using LINEAR PROGRAMMING offered analysed with LINEAR PROGRAMMING and evaluated the results show of resistance to linear and DIFFERENTIAL CRYPTOANALYSIS. Also, since the RECURSIVE DIFFUSION LAYERS are more efficient than MDS matrices in software and hardware, thus designed algorithms with these methods have high performance in various platforms.

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APA: Copy

MIRGHADRI, A., YOSEFIPOUR, M., KHADEM, B., & SAJADIEH, M.. (2016). TWO NEW METHODS FOR DESIGNING 192-BIT BLOCK CIPHERS BASED ON SWITCHING STRUCTURE AND RECURSIVE DIFFUSION LAYERS. (JOURNAL OF ADVANCED DEFENCE SCIENCE AND TECHNOLOGY) JOURNAL OF PASSIVE DEFENCE SCIENCE AND TECHNOLOGY, 7(3), 251-259. SID. https://sid.ir/paper/167487/en

Vancouver: Copy

MIRGHADRI A., YOSEFIPOUR M., KHADEM B., SAJADIEH M.. TWO NEW METHODS FOR DESIGNING 192-BIT BLOCK CIPHERS BASED ON SWITCHING STRUCTURE AND RECURSIVE DIFFUSION LAYERS. (JOURNAL OF ADVANCED DEFENCE SCIENCE AND TECHNOLOGY) JOURNAL OF PASSIVE DEFENCE SCIENCE AND TECHNOLOGY[Internet]. 2016;7(3):251-259. Available from: https://sid.ir/paper/167487/en

IEEE: Copy

A. MIRGHADRI, M. YOSEFIPOUR, B. KHADEM, and M. SAJADIEH, “TWO NEW METHODS FOR DESIGNING 192-BIT BLOCK CIPHERS BASED ON SWITCHING STRUCTURE AND RECURSIVE DIFFUSION LAYERS,” (JOURNAL OF ADVANCED DEFENCE SCIENCE AND TECHNOLOGY) JOURNAL OF PASSIVE DEFENCE SCIENCE AND TECHNOLOGY, vol. 7, no. 3, pp. 251–259, 2016, [Online]. Available: https://sid.ir/paper/167487/en

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